BUZZING NOISE

  • Tiny
  • rickysh11
  • 2005 Cadillac CTS
  • 6 CYL
  • 2WD
  • automatic

My car makes a buzzing sound when accelerating, im trying to pinpoint the cause not cannot not find any information about it. I've tried to see if it was the a/c compressor by turning off the ac but the noise continues to occur.

Friday, November 4th, 2011 AT 7:23 PM

5 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

Check to make sure the power steering fluid is full. It could be the pump.

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Friday, November 4th, 2011 AT 8:20 PM
  • Tiny
  • rickysh11
  • Member

Fluid is good, it doesn't happen while turning only when accelerating. The noise sounds as if it is coming from behind the the radio.

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Friday, November 4th, 2011 AT 8:24 PM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

That is a good one. Behind the radio. Check to see if there are any relays in that area.

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Friday, November 4th, 2011 AT 10:58 PM
  • Tiny
  • mrigene
  • Member

Check the wheel bearings. My wifes car mad a buzzing/humming noise.

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Thursday, November 10th, 2011 AT 8:24 PM
  • Tiny
  • rivermikerat
  • Expert
  • 6,118 posts

Mrigene, were you able to determine the source of your buzzing? If not, does it occur all the time or maybe just when the A/C, vent, or heater is on? There's an actuator for the driver's side right behind the stereo.

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Saturday, December 31st, 2011 AT 4:19 AM

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